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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
	
var reg = /<p>.*?<\/p>/;
var str = '<p>我是第一！@%￥个p标签</p><p>我是第二个p标签</p>';
var r = reg.exec(str);
alert(r);

</script>
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<body>
</body>
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